Error Codes And Description Indoor Display; Indoor Unit Display - Haier AW09ES2VHB Service Manual

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Indoor Unit Display

Error codes will be display on the indoor unit in place of the set temperature.
Indoor & Outdoor
Indoor Malfunction
Outdoor Malfunction
PAGE 30

Error Codes and Description Indoor Display

Code Indication
Outdoor
Indoor
(LED1 flash
times)
E7
15
Communication fault between indoor and outdoor units
E1
/
Room temperature sensor failure
E2
/
Coil sensor failure
E4
/
Indoor EEPROM error
E14
/
Indoor fan motor malfunction
F12
1
Outdoor EEPROM error
F1
2
The protection of IPM
F22
3
Overcurrent protection of AC electricity for the outdoor model
F3
4
Communication fault between the IPM and outdoor PCB
F19
6
Power voltage is too high or low
F27
7
Compressor has a locked rotor or stopped momentary
F4
8
Overheat protection for exhaust temperature
F8
9
Outdoor DC fan motor fault
F21
10
Defrost temperature sensor failure
F7
11
Suction temperature sensor failure
F6
12
Ambient temperature sensor failure
F25
13
Exhaust temperature sensor failure
F11
18
Deviate from the normal for the compressor
F28
19
Station detect loop error
F2
24
Compressor overcurrent
F23
25
Overcurrent protection for single-phase of the compressor
F36
39
Outdoor coil temperature sensor failure
ERROR CODES & PROBLEM SOLVING
Description

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